/* ============================================================
   BoB Architecture — main.css
   ============================================================ */

/* ── VARIABLES ─────────────────────────────────────────────── */
:root {
  --text:         #09090B;
  --bg:           #FAFAFA;
  --surface:      #FFFFFF;
  --muted:        #52525B;
  --border:       #E4E4E7;
  --accent:       #18181B;
  --font-display: 'Archivo', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;
}

/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; }

/* ── NAV ───────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250,250,250,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}
nav.hidden { transform: translateY(-100%); }
nav.hero-mode {
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(12px);
  border-bottom: none;
}
nav.hero-mode .logo,
nav.hero-mode .nav-links a { color: #fff; }
nav.hero-mode .menu-btn .line { background: #fff; }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  max-width: 1440px; margin: 0 auto;
}
.logo {
  font-family: var(--font-display);
  font-weight: 900; font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none; line-height: 1;
  transition: color 0.3s;
}
.logo span {
  font-weight: 300; font-size: 0.7rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  display: block; margin-top: 2px;
  color: inherit; opacity: 0.7;
}
.menu-btn {
  cursor: pointer; background: none; border: none;
  width: 28px; height: 20px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.menu-btn .line {
  display: block; width: 100%; height: 1.5px;
  background: var(--text);
  transition: all 0.3s ease; transform-origin: center;
}
.menu-btn.active .line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-btn.active .line:nth-child(2) { opacity: 0; }
.menu-btn.active .line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
.nav-links { display: none; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: var(--font-body); font-size: 0.8rem;
  font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* Menu mobile */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--bg);
  display: flex; flex-direction: column;
  justify-content: center; align-items: center; gap: 2.5rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 900; letter-spacing: -0.03em;
  color: var(--text); text-decoration: none;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.mobile-menu.open a { opacity: 1; transform: translateY(0); }
.mobile-menu.open a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.3s; }

/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column;
  justify-content: flex-end;
  padding: 0 1.25rem 3rem;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.15) 100%);
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(3rem, 12vw, 10rem);
  line-height: 0.9; letter-spacing: -0.04em;
  color: #fff; margin-bottom: 1.5rem;
}
.hero p {
  font-size: 1rem; font-weight: 300; line-height: 1.6;
  color: rgba(255,255,255,0.8); max-width: 480px;
}
.scroll-indicator {
  margin-top: 2rem;
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.75rem; letter-spacing: 0.1em;
  text-transform: uppercase; font-weight: 500;
  text-decoration: none; color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.scroll-indicator:hover { color: rgba(255,255,255,0.9); }
.scroll-indicator .arrow {
  width: 32px; height: 1px;
  background: currentColor;
  animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ── PORTFOLIO — CAROUSEL ──────────────────────────────────── */
.portfolio-section { padding: 4rem 0 2rem; }
.section-header {
  padding: 0 1.25rem 2rem;
  display: flex; justify-content: space-between; align-items: baseline;
}
.section-header h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--muted);
}
.section-header .counter {
  font-size: 0.75rem; color: var(--muted); font-weight: 500;
}
.carousel-wrapper { position: relative; }
.carousel {
  display: flex; overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; gap: 1rem;
  padding: 0 1.25rem;
}
.carousel::-webkit-scrollbar { display: none; }
.carousel-slide {
  flex: 0 0 85vw; max-width: 600px;
  scroll-snap-align: start; cursor: pointer;
}
.carousel-slide:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.carousel-slide img {
  width: 100%; aspect-ratio: 3/4; object-fit: cover;
  border-radius: 2px; background: var(--border);
}
.slide-info { padding: 1rem 0 0.25rem; }
.slide-info h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.1rem; letter-spacing: -0.02em;
  line-height: 1.3; color: var(--text);
  margin-bottom: 0.35rem;
}
.slide-info .tag {
  display: block;
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
}

/* Flèches carousel */
.carousel-arrows { display: none; }
.carousel-arrow {
  position: absolute; top: 0; bottom: 80px; width: 72px;
  background: transparent; border: none; cursor: pointer;
  z-index: 10; opacity: 0; transition: opacity 0.3s;
  display: flex; align-items: center; justify-content: center;
}
.carousel-wrapper:hover .carousel-arrow { opacity: 1; }
.carousel-arrow:hover { background: rgba(250,250,250,0.6); }
.carousel-arrow svg {
  width: 28px; height: 28px;
  stroke: var(--text); stroke-width: 1.5; fill: none;
  filter: drop-shadow(0 0 4px rgba(255,255,255,0.8));
}
.carousel-arrow.prev { left: 0; padding-left: 1rem; }
.carousel-arrow.next { right: 0; padding-right: 1rem; }
.carousel-arrow:disabled { opacity: 0.15 !important; cursor: default; }

/* Barre de progression */
.carousel-progress { padding: 1.5rem 1.25rem 0; max-width: 400px; margin: 0 auto; }
.progress-track {
  width: 100%; height: 2px;
  background: var(--border); border-radius: 1px;
}
.progress-fill {
  height: 100%; background: var(--text);
  border-radius: 1px; transition: width 0.3s ease;
}
.swipe-hint {
  text-align: center; font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); padding: 1rem 0 0;
  opacity: 1; transition: opacity 0.5s;
}
.swipe-hint.hidden { opacity: 0; }

/* CTA Tous les projets */
.btn-all-projects {
  display: inline-block;
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text); text-decoration: none;
  border: 1px solid var(--border);
  padding: 0.85rem 2.25rem;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.btn-all-projects:hover {
  background: var(--accent); color: #fff; border-color: var(--accent);
}

/* ── ABOUT ─────────────────────────────────────────────────── */
.about-section {
  padding: 5rem 1.25rem; max-width: 720px; margin: 0 auto;
}
.about-section h2 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: 2rem;
}
.about-section p,
.about-content p {
  font-size: 1rem; font-weight: 300; line-height: 1.8;
  color: var(--muted); margin-bottom: 1.5rem;
}
.about-section .highlight,
.about-content .highlight { color: var(--text); font-weight: 500; }
.pull-quote {
  margin: 3rem 0; padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pull-quote blockquote {
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(1.2rem, 3.5vw, 1.75rem);
  line-height: 1.5; letter-spacing: -0.02em;
  color: var(--text); font-style: italic;
}
.pull-quote cite {
  display: block; margin-top: 1rem;
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); font-style: normal;
}

/* ── ACTUALITÉS ────────────────────────────────────────────── */
.press-section {
  padding: 5rem 1.25rem; max-width: 720px; margin: 0 auto;
}
.press-section h2 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: 2.5rem;
}
.press-list { list-style: none; }
.press-item {
  padding: 1.25rem 0; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between;
  align-items: baseline; gap: 1.5rem;
}
.press-item:first-child { border-top: 1px solid var(--border); }
.press-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1rem; letter-spacing: -0.01em;
  line-height: 1.4; color: var(--text);
  text-decoration: none; flex: 1;
  transition: color 0.2s;
}
.press-title:hover { color: var(--muted); }
.press-source {
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); white-space: nowrap;
}

/* ── CONTACT ───────────────────────────────────────────────── */
.contact-section {
  padding: 5rem 1.25rem; max-width: 720px; margin: 0 auto;
}
.contact-section h2 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: 2.5rem;
}
.offices { display: flex; flex-direction: column; gap: 2rem; }
.office {
  padding-bottom: 2rem; border-bottom: 1px solid var(--border);
}
.office:last-child { border-bottom: none; }
.office .city {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text); margin-bottom: 0.5rem;
}
.office .city .badge {
  font-weight: 500; font-size: 0.6rem;
  color: var(--muted); margin-left: 0.5rem;
  letter-spacing: 0.08em;
}
.office .address {
  font-size: 0.95rem; font-weight: 300;
  color: var(--muted); line-height: 1.6;
}

/* Formulaire */
.contact-form {
  margin-top: 3rem; padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.contact-form h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 2rem;
}
.form-row {
  display: flex; flex-direction: column;
  gap: 1.25rem; margin-bottom: 1.25rem;
}
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field label {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
}
.form-field input,
.form-field textarea,
.form-field select {
  font-family: var(--font-body); font-size: 0.95rem;
  font-weight: 300; color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  outline: none; transition: border-color 0.25s;
  -webkit-appearance: none; border-radius: 0;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { border-color: var(--accent); }
.form-field input::placeholder,
.form-field textarea::placeholder { color: #A1A1AA; font-weight: 300; }
.form-field textarea { resize: vertical; min-height: 140px; line-height: 1.6; }
.form-field select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2352525B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-field.error input,
.form-field.error textarea { border-color: #DC2626; }
.form-field .field-error { font-size: 0.7rem; color: #DC2626; font-weight: 500; display: none; }
.form-field.error .field-error { display: block; }
.form-hp {
  position: absolute; left: -9999px; top: -9999px;
  opacity: 0; height: 0; width: 0; overflow: hidden; pointer-events: none;
}
.form-challenge { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.form-challenge .challenge-q { font-size: 0.85rem; font-weight: 500; color: var(--text); }
.form-challenge input { width: 5rem; text-align: center; }
.form-submit {
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff; background: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.85rem 2.5rem; cursor: pointer;
  transition: background 0.25s, opacity 0.25s;
  margin-top: 0.5rem;
}
.form-submit:hover { background: var(--text); }
.form-submit:disabled { opacity: 0.4; cursor: not-allowed; }
.form-success { display: none; padding: 2rem; border: 1px solid var(--border); text-align: center; }
.form-success.show { display: block; }
.form-success h4 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.1rem; margin-bottom: 0.5rem;
}
.form-success p { font-size: 0.9rem; font-weight: 300; color: var(--muted); line-height: 1.6; }

/* ── FOOTER ────────────────────────────────────────────────── */
footer {
  padding: 2.5rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1440px; margin: 0 auto;
}
footer .copy { font-size: 0.7rem; color: var(--muted); }
footer .social a {
  color: var(--muted); text-decoration: none;
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: color 0.2s;
}
footer .social a:hover { color: var(--text); }

/* ── PAGE PROJETS ──────────────────────────────────────────── */
.page-header {
  padding: 7rem 1.25rem 2rem;
  max-width: 1440px; margin: 0 auto;
}
.page-header .breadcrumb {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
}
.page-header .breadcrumb a {
  color: var(--muted); text-decoration: none; transition: color 0.2s;
}
.page-header .breadcrumb a:hover { color: var(--text); }
.page-header h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: 0.95; letter-spacing: -0.04em; margin-bottom: 1rem;
}
.page-header .subtitle {
  font-size: 1rem; font-weight: 300;
  color: var(--muted); line-height: 1.6; max-width: 560px;
}
.filters-bar {
  padding: 1.5rem 1.25rem 2rem;
  max-width: 1440px; margin: 0 auto;
  position: sticky; top: 60px; z-index: 50;
  background: rgba(250,250,250,0.92);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.filters {
  display: flex; flex-wrap: nowrap;
  overflow-x: auto; scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  gap: 0.5rem;
}
.filters::-webkit-scrollbar { display: none; }
.filter-btn {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: transparent; border: 1px solid var(--border);
  color: var(--muted); padding: 0.5rem 1rem;
  cursor: pointer; transition: all 0.25s; white-space: nowrap;
}
.filter-btn:hover { color: var(--text); border-color: var(--text); }
.filter-btn.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.filter-count {
  font-size: 0.75rem; color: var(--muted); font-weight: 500;
  margin-left: auto; align-self: center; flex-shrink: 0;
  display: none;
}
.grid-section {
  padding: 0 1.25rem 5rem;
  max-width: 1440px; margin: 0 auto;
  overflow: hidden;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.grid-item { min-width: 0; cursor: pointer; transition: opacity 0.4s ease; }
.grid-item.hidden { display: none; }
.grid-thumb { width: 100%; aspect-ratio: 1; overflow: hidden; background: var(--border); }
.grid-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.grid-item:hover .grid-thumb img { transform: scale(1.05); }
.grid-label { padding: 0.6rem 0 0; overflow: hidden; }
.grid-label h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.85rem; letter-spacing: -0.01em;
  line-height: 1.3; color: var(--text); margin-bottom: 0.15rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.grid-label span {
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  display: block; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}

/* ── FICHE PROJET ──────────────────────────────────────────── */
.single-project { padding-top: 60px; }
.project-hero { width: 100%; }
.project-hero-img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
  display: block; background: var(--border);
}
.project-detail-content {
  padding: 2rem 1.25rem 4rem;
  max-width: 720px; margin: 0 auto;
}
.project-breadcrumb {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
}
.project-breadcrumb a {
  color: var(--muted); text-decoration: none; transition: color 0.2s;
}
.project-breadcrumb a:hover { color: var(--text); }
.project-detail-content h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(1.75rem, 6vw, 3rem);
  line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 1rem;
}
.project-meta {
  display: flex; gap: 2rem;
  padding: 1.5rem 0; flex-wrap: wrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.project-meta-item .meta-label {
  font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
  font-weight: 500; margin-bottom: 0.25rem;
}
.project-meta-item .meta-value { font-size: 0.9rem; font-weight: 500; color: var(--text); }
.project-body { font-size: 1rem; font-weight: 300; line-height: 1.8; color: var(--muted); }
.project-body p { margin-bottom: 1.2rem; }
.project-body img { width: 100%; margin: 1.5rem 0; border-radius: 2px; }
.project-bottom-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 0; margin-top: 2rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}
.project-nav-btn {
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  transition: color 0.2s; padding: 0.5rem 0;
  max-width: 35%;
}
.project-nav-btn:hover { color: var(--text); }
.project-nav-btn svg {
  width: 18px; height: 18px;
  stroke: currentColor; stroke-width: 1.5; fill: none;
  flex-shrink: 0;
}
.project-nav-btn span {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.project-nav-all {
  font-size: 0.7rem; color: var(--muted);
  flex-shrink: 0; max-width: none;
}

/* ── PAGE GÉNÉRIQUE ────────────────────────────────────────── */
.page-content { padding-top: 80px; }
.page-inner {
  padding: 3rem 1.25rem 5rem;
  max-width: 720px; margin: 0 auto;
}
.page-inner h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: 2rem;
}
.page-body { font-size: 1rem; font-weight: 300; line-height: 1.8; color: var(--muted); }
.page-body p { margin-bottom: 1.2rem; }

/* ── ANIMATIONS ────────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.25,0.1,0.25,1),
              transform 0.7s cubic-bezier(0.25,0.1,0.25,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }

/* ── DESKTOP ───────────────────────────────────────────────── */
@media (min-width: 768px) {
  .nav-inner { padding: 1.25rem 2.5rem; }
  .menu-btn { display: none; }
  .nav-links { display: flex; }
  nav.hero-mode .nav-links a { color: rgba(255,255,255,0.8); }
  nav.hero-mode .nav-links a:hover { color: #fff; }
  .hero { padding: 0 2.5rem 5rem; }
  .section-header { padding: 0 2.5rem 2.5rem; }
  .carousel { padding: 0 2.5rem; gap: 1.25rem; }
  .carousel-slide { flex: 0 0 45vw; max-width: 500px; }
  .carousel-arrows { display: block; }
  .press-section,
  .about-section,
  .contact-section { padding: 6rem 2.5rem; }
  .offices { flex-direction: row; gap: 3rem; }
  .office { flex: 1; border-bottom: none; border-right: 1px solid var(--border); padding-right: 2rem; padding-bottom: 0; }
  .office:last-child { border-right: none; }
  footer { padding: 2.5rem; }
  .swipe-hint { display: none; }
  .form-row { flex-direction: row; }
  .form-row .form-field { flex: 1; }
  .project-detail-content { padding: 3rem 2.5rem 5rem; }
  .page-header { padding: 8rem 2.5rem 2.5rem; }
  .filters-bar { padding: 1.5rem 2.5rem 2rem; top: 65px; }
  .filters { flex-wrap: wrap; overflow-x: visible; }
  .filter-count { display: inline; }
  .grid-section { padding: 0 2.5rem 6rem; }
  .project-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
  .page-inner { padding: 4rem 2.5rem 6rem; }
}
@media (min-width: 1024px) {
  .carousel-slide { flex: 0 0 32vw; max-width: 450px; }
  .hero h1 { font-size: clamp(5rem, 10vw, 10rem); }
  .project-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (min-width: 1440px) {
  .carousel-slide { flex: 0 0 25vw; }
  .project-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* ── DARK MODE ─────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --text:    #FAFAFA;
    --bg:      #09090B;
    --surface: #18181B;
    --muted:   #A1A1AA;
    --border:  #27272A;
    --accent:  #E4E4E7;
  }
  body { background: var(--bg); color: var(--text); }
  nav { background: rgba(9,9,11,0.92); border-bottom-color: var(--border); }
  nav.hero-mode { background: rgba(0,0,0,0.5); }
  .mobile-menu { background: var(--bg); }
  .mobile-menu a { color: var(--text); }
  .hero-overlay { background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.35) 50%, rgba(0,0,0,0.25) 100%); }
  .carousel-arrow:hover { background: rgba(9,9,11,0.6); }
  .carousel-arrow svg { stroke: var(--text); filter: drop-shadow(0 0 4px rgba(0,0,0,0.8)); }
  .filters-bar { background: rgba(9,9,11,0.92); }
  .filter-btn.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }
  .form-field input,
  .form-field textarea,
  .form-field select { background: var(--surface); border-color: var(--border); color: var(--text); }
  .form-field input::placeholder,
  .form-field textarea::placeholder { color: #71717A; }
  .form-submit { background: var(--accent); color: var(--bg); border-color: var(--accent); }
  .form-submit:hover { background: #FAFAFA; color: #09090B; }
  .form-success { border-color: var(--border); }
  .btn-all-projects { color: var(--text); border-color: var(--border); }
  .btn-all-projects:hover { background: var(--accent); color: var(--bg); }
  footer .social a:hover { color: var(--text); }
  .page-header .breadcrumb a { color: var(--muted); }
  .page-header .breadcrumb a:hover { color: var(--text); }
}

/* ── REDUCED MOTION ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; transition: none; }
}